[PATCH 3/8] xfs: pass xfs_extent_free_item directly through the log intent code

Darrick J. Wong
2022-12-30T22:33:51Z

Pass the incore xfs_extent_free_item through the EFI logging code
instead of repeatedly boxing and unboxing parameters.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
fs/xfs/xfs_extfree_item.c | 55 +++++++++++++++++++++++++--------------------
1 file changed, 30 insertions(+), 25 deletions(-)

diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index d5130d1fcfae..618d2f9ff535 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -345,23 +345,30 @@ static int
xfs_trans_free_extent(
struct xfs_trans *tp,
struct xfs_efd_log_item *efdp,
- xfs_fsblock_t start_block,
- xfs_extlen_t ext_len,
- const struct xfs_owner_info *oinfo,
- bool skip_discard)
+ struct xfs_extent_free_item *free)
{
+ struct xfs_owner_info oinfo = { };
struct xfs_mount *mp = tp->t_mountp;
struct xfs_extent *extp;
uint next_extent;
- xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp, start_block);
+ xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp,
+ free->xefi_startblock);
xfs_agblock_t agbno = XFS_FSB_TO_AGBNO(mp,
- start_block);
+ free->xefi_startblock);
int error;

- trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno, ext_len);
+ oinfo.oi_owner = free->xefi_owner;
+ if (free->xefi_flags & XFS_EFI_ATTR_FORK)
+ oinfo.oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
+ if (free->xefi_flags & XFS_EFI_BMBT_BLOCK)
+ oinfo.oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK;

- error = __xfs_free_extent(tp, start_block, ext_len,
- oinfo, XFS_AG_RESV_NONE, skip_discard);
+ trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno,
+ free->xefi_blockcount);
+
+ error = __xfs_free_extent(tp, free->xefi_startblock,
+ free->xefi_blockcount, &oinfo, XFS_AG_RESV_NONE,
+ free->xefi_flags & XFS_EFI_SKIP_DISCARD);
/*
* Mark the transaction dirty, even on error. This ensures the
* transaction is aborted, which:
@@ -375,8 +382,8 @@ xfs_trans_free_extent(
next_extent = efdp->efd_next_extent;
ASSERT(next_extent < efdp->efd_format.efd_nextents);
extp = &(efdp->efd_format.efd_extents[next_extent]);
- extp->ext_start = start_block;
- extp->ext_len = ext_len;
+ extp->ext_start = free->xefi_startblock;
+ extp->ext_len = free->xefi_blockcount;
efdp->efd_next_extent++;

return error;
@@ -463,20 +470,12 @@ xfs_extent_free_finish_item(
struct list_head *item,
struct xfs_btree_cur **state)
{
- struct xfs_owner_info oinfo = { };
struct xfs_extent_free_item *free;
int error;

free = container_of(item, struct xfs_extent_free_item, xefi_list);
- oinfo.oi_owner = free->xefi_owner;
- if (free->xefi_flags & XFS_EFI_ATTR_FORK)
- oinfo.oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
- if (free->xefi_flags & XFS_EFI_BMBT_BLOCK)
- oinfo.oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK;
- error = xfs_trans_free_extent(tp, EFD_ITEM(done),
- free->xefi_startblock,
- free->xefi_blockcount,
- &oinfo, free->xefi_flags & XFS_EFI_SKIP_DISCARD);
+
+ error = xfs_trans_free_extent(tp, EFD_ITEM(done), free);
kmem_cache_free(xfs_extfree_item_cache, free);
return error;
}
@@ -599,7 +598,6 @@ xfs_efi_item_recover(
struct xfs_mount *mp = lip->li_log->l_mp;
struct xfs_efd_log_item *efdp;
struct xfs_trans *tp;
- struct xfs_extent *extp;
int i;
int error = 0;

@@ -624,10 +622,17 @@ xfs_efi_item_recover(
efdp = xfs_trans_get_efd(tp, efip, efip->efi_format.efi_nextents);

for (i = 0; i < efip->efi_format.efi_nextents; i++) {
+ struct xfs_extent_free_item fake = {
+ .xefi_owner = XFS_RMAP_OWN_UNKNOWN,
+ };
+ struct xfs_extent *extp;
+
extp = &efip->efi_format.efi_extents[i];
- error = xfs_trans_free_extent(tp, efdp, extp->ext_start,
- extp->ext_len,
- &XFS_RMAP_OINFO_ANY_OWNER, false);
+
+ fake.xefi_startblock = extp->ext_start;
+ fake.xefi_blockcount = extp->ext_len;
+
+ error = xfs_trans_free_extent(tp, efdp, &fake);
if (error == -EFSCORRUPTED)
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp,
extp, sizeof(*extp));